The next evolution in wireless networking holds promises of self-driving cars and movies that download in the blink of an eye. 5G is big at this year's Mobile World Congress, but don't expect it until 2020.

By leaving off features such as a lock, lights or charge indicator, Razor misses an opportunity to make the E300 electric scooter a cheap transportation alternative, instead relegating it to leisure status.

Three years after its predecessor debuted, the 2015 Ford Focus Electric is still a good choice for a compact battery-powered car, but the newer competition offers slightly greater range and faster charging.